Patents by Inventor Guy Briens

Guy Briens has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for making a perforated rigid sheet material for sound absorbing composite cellular structure
    Patent number: 4390584
    Abstract: A composite structure for absorbing sound energy, comprising an outer porous layer covering a cellular layer, wherein said porous layer is made by forming a supple loose fabric from slivers each constituted by a plurality of relatively free mineral or synthetic fibres, substantially parallel to one another and shaping said supple fabric to its final form and rendering it rigid by means of a hardenable resin, while being subjected to pressure so as to become a thin, rigid lattice, with wide crossed lines, virtually uniformly smooth on at least its face opposite said cellular layer.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: June 28, 1983
    Assignee: Societe Nationale Industrielle Aerospatiale
    Inventor: Guy Briens